This is the big new feature of X and Y: for the duration of a battle, certain Pokémon go beyond their final forme. A Mega Stone held by the Pokémon, a Mega Ring on the Trainer’s wrist, and a bond strong enough between the two. Here is how it works, and where to find each stone.
VenusauriteProfessor Sycamore’s Lab
Charizardite XProfessor Sycamore’s Lab
Charizardite YProfessor Sycamore’s Lab
BlastoisiniteProfessor Sycamore’s Lab
LucarioniteTower of Mastery
AerodactyliteFossil Lab
AmpharositeAzure Bay
GengariteLaverre City
AbomasiteFrost Cavern
GardevoiriteLumiose City (Café Soleil)
AbsoliteKiloude City
Mewtwonite XUnknown Dungeon
Mewtwonite YUnknown Dungeon
AlakaziteReflection Cave
BanettiteChamber of Emptiness
GarchompiteVictory Road
MedichamiteLaverre City
ScizoriteFrost Cavern
HoundoominiteRoute 16
ManectiteRoute 16
AggroniteCyllage City Gym
TyranitariteCyllage City Gym
KangaskhaniteGlittering Cave
GyaradositeCouriway Town
MawiliteShabboneau Castle
PinsiriteSantalune Forest
HeracroniteSantalune Forest
BlazikeniteEvent
LatiasiteTrade
LatiositeTrade
💍The rules
- Two items are needed: the Trainer’s Mega Ring, received at the Tower of Mastery in Shalour City, and the species-specific Mega Stone, held by the Pokémon.
- Only one per battle: only one Pokémon on your team can Mega Evolve during a single battle.
- Until the end of the battle: the transformation lasts until the end, even if the Pokémon is switched out, and then it returns to its normal forme.
- Boosted stats: the total goes up by 100 points. The type and Ability may change: Mega Gyarados becomes Water and Dark, Mega Charizard X becomes Fire and Dragon.
- On the first turn, Mega Evolution happens before attacks, but its new Speed only counts from the following turn.
📍The 30 Mega Stones
Some are obtained during the adventure. Most only appear after the Pokémon League, once the Mega Ring has been upgraded at the sundial in Anistar City, and only between 8 and 9 p.m. The X and Y notes mark stones exclusive to one version.
| Mega Stone | Pokémon | Where and how | When |
|---|---|---|---|
| Venusaurite |  Venusaur | Professor Sycamore’s Lab Given by Sycamore along with Bulbasaur. | During the adventure |
| Charizardite X X |  Charizard | Professor Sycamore’s Lab Given by Sycamore along with Charmander, in Pokémon X. | During the adventure |
| Charizardite Y Y | Charizard | Professor Sycamore’s Lab Given by Sycamore along with Charmander, in Pokémon Y. | During the adventure |
| Blastoisinite |  Blastoise | Professor Sycamore’s Lab Given by Sycamore along with Squirtle. | During the adventure |
| Lucarionite |  Lucario | Tower of Mastery Held by the Lucario that joins you at the top of the tower. | During the adventure |
| Aerodactylite | Aerodactyl | Fossil Lab Given by a Scientist after you rescue his assistant in Glittering Cave. | During the adventure |
| Ampharosite | Ampharos | Azure Bay Given by an old man on the first island in the bay. | During the adventure |
| Gengarite |  Gengar | Laverre City Given by a Ghost-type fan in front of the Pokémon Fan Club. | During the adventure |
| Abomasite | Abomasnow | Frost Cavern Given by the Abomasnow you rescue from Team Flare. | During the adventure |
| Gardevoirite |  Gardevoir | Lumiose City (Café Soleil) Held by the Ralts that Diantha trades you. | After the League |
| Absolite |  Absol | Kiloude City Given by Serena or Calem after your first battle in Kiloude City. | After the League |
| Mewtwonite X X |  Mewtwo | Unknown Dungeon On the ground, right after catching Mewtwo. | After the League |
| Mewtwonite Y Y | Mewtwo | Unknown Dungeon On the ground, right after catching Mewtwo. | After the League |
| Alakazite | Alakazam | Reflection Cave At the bottom of the 2nd basement floor, between 20h and 21h | After the League |
| Banettite | Banette | Chamber of Emptiness In a rock at the top of the chamber, between 20h and 21h | After the League |
| Garchompite |  Garchomp | Victory Road Outside, before the PP Up, between 20h and 21h (Rock Smash). | After the League |
| Medichamite | Medicham | Laverre City In front of the well, between 20h and 21h | After the League |
| Scizorite | Scizor | Frost Cavern Behind the Abomasnow, between 20h and 21h | After the League |
| Houndoominite Y | Houndoom | Route 16 Near the Roller Skaters, between 20h and 21h | After the League |
| Manectite X | Manectric | Route 16 Near the Roller Skaters, between 20h and 21h | After the League |
| Aggronite Y | Aggron | Cyllage City Gym At the end of the path, by climbing the right-hand wall, between 20h and 21h | After the League |
| Tyranitarite X |  Tyranitar | Cyllage City Gym At the end of the path, by climbing the right-hand wall, between 20h and 21h | After the League |
| Kangaskhanite |  Kangaskhan | Glittering Cave At the end of the first fork, between 20h and 21h | After the League |
| Gyaradosite | Gyarados | Couriway Town In front of the small waterfalls, northeast of the hotel, between 20h and 21h | After the League |
| Mawilite |  Mawile | Shabboneau Castle Inside the castle, between 20h and 21h | After the League |
| Pinsirite X | Pinsir | Santalune Forest In the first grassy area, between 20h and 21h | After the League |
| Heracronite Y | Heracross | Santalune Forest At the forest entrance, between 20h and 21h | After the League |
| Blazikenite | Blaziken | Event Held by the Torchic distributed at launch (October 2013 to January 2014). | During the adventure |
| Latiasite | Latias | Trade By trade with Omega Ruby and Alpha Sapphire. | During the adventure |
| Latiosite | Latios | Trade By trade with Omega Ruby and Alpha Sapphire. | During the adventure |
🏆The best Mega Evolutions for the adventure
Mega Lucario
Given to you in Shalour City, it is available very early. Its Ability Adaptability further boosts its Fighting and Steel moves.
Mega Charizard X or Y
If you choose Charmander, Sycamore gives you the stone for your version. X becomes Fire and Dragon, Y gains Drought, which boosts Fire.
Mega Kangaskhan
Its baby attacks a second time with every hit. Fearsome, but its stone only arrives after the Pokémon League.
Mega Gardevoir
Pixilate turns its Normal moves into boosted Fairy moves. The stone comes from Diantha, after the Pokémon League.
All the detailed locations, version by version, with an optimized route between 8 and 9 p.m., are in our Premium file All the Mega Stones.
